Home / 1,879,322.52-2,818,137.06-1,121,513.88

Finding the Fourth Proportional to 1,879,322.52, 2,818,137.06 and 1,121,513.88

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Solution

The fourth proportional to 1,879,322.52, 2,818,137.06 and 1,121,513.88 is: 1,681,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,322.52 : 2,818,137.06 = 1,121,513.88 : x
  2. Step 2: Convert to fraction form
    1,879,322.52/2,818,137.06 = 1,121,513.88/x
  3. Step 3: Cross multiply
    1,879,322.52x = 2,818,137.06 × 1,121,513.88
  4. Step 4: Simplify right side
    1,879,322.52x = 3,160,579,828,532.39
  5. Step 5: Solve for x
    x = 3,160,579,828,532.39/1,879,322.52
  6. Step 6: Final answer
    x = 1,681,765.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.